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Distributed Base Station with Frequency Domain Interface on Which Signal Subspace Varies According to Frequency Bin
Distributed Base Station with Frequency Domain Interface on Which Signal Subspace Varies According to Frequency Bin
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机译:具有频域接口的分布式基站,其信号子空间根据频点变化
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摘要
A method and apparatus are disclosed for determining a signal subspace in a communications system. A remote apparatus obtains signal streams from antenna elements or signal streams from antenna beams. Based on the obtained signal streams, the apparatus selects a signal subspace for a user, the signal subspace having a dimension M. Based on the selected signal subspace, the apparatus transmits, via an interface to a central apparatus, M streams of post-fast-Fourier-transform data, the interface being capable of transmitting a different subspace for different frequency bins.
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